Royal Botanic Gardens, Kew

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Royal Botanic Gardens, Kew: A Global Treasure Trove of Plant Diversity

The Royal Botanic Gardens, Kew, located in southwest London, United Kingdom, stand as a testament to humanity’s enduring fascination with the natural world. Inscribed as a UNESCO World Heritage Site in 2003, Kew is recognised for its exceptional historic landscape, its influence on garden design, and its outstanding contributions to botanical science. The Gardens encompass a remarkable collection of living plants, preserved specimens, botanical illustrations, books, and archives that document centuries of exploration, research, and discovery.

The origins of Kew can be traced to the 18th century, when Princess Augusta established an exotic garden at Kew in 1759. Over time, this royal garden developed into one of the world’s most important botanical institutions. Today, the Royal Botanic Gardens, Kew manages a living collection containing more than 27,000 taxa, representing a vast diversity of plant life from around the world. These collections include both common and rare species, many of which are important for research, conservation, and understanding the changing state of global biodiversity.

One of Kew’s greatest scientific resources is its Herbarium, one of the largest botanical collections in the world, containing more than 8 million preserved plant and fungal specimens. These specimens provide essential reference material for scientists studying plant classification, evolution, ecology, and conservation. By documenting plant diversity over centuries, the Herbarium serves as an invaluable record of the world’s flora and supports research aimed at protecting threatened plant species.

Beyond its preserved collections, Kew also boasts one of the world’s most important botanical libraries and archives, containing more than 750,000 items, including rare books, manuscripts, and historical publications. Its extensive collection of botanical artwork, including illustrations, paintings, and related materials, reflects the close relationship between science and art in the study of plants. Together, these resources provide unique insights into the history of botany, horticulture, exploration, and plant conservation.

The Royal Botanic Gardens, Kew has played a leading role in botanical research for more than two centuries. Its scientists conduct research in areas including plant taxonomy, genetics, ecology, and conservation biology, contributing to global efforts to understand and protect plant diversity. Kew is also home to the Millennium Seed Bank, one of the world’s largest wild plant seed conservation programs, which works to preserve seeds from threatened plant species and safeguard biodiversity for future generations.

Kew’s influence extends beyond its scientific work. Throughout its history, the Gardens have contributed to the study and cultivation of economically important plants, including crops and species that shaped global agriculture and trade. Through international partnerships and scientific collaboration, Kew continues to support plant conservation and sustainable use of botanical resources around the world.

The Gardens are also renowned for their architectural and horticultural landmarks. Visitors can explore the iconic Palm House, a masterpiece of Victorian glasshouse design; the Great Pagoda, an 18th-century architectural landmark; and the Temperate House, the largest Victorian glasshouse in the world. These attractions, together with Kew’s landscapes, lakes, and diverse plant collections, make it one of the United Kingdom’s most celebrated cultural and natural destinations.

Kew also shares important historical and scientific connections with botanical institutions around the world, including the Singapore Botanic Gardens, which was itself inscribed as a separate UNESCO World Heritage Site in 2015. Through the exchange of plant knowledge, specimens, and research expertise, these institutions represent the continuing global importance of botanical gardens in understanding and protecting the natural world.

Today, the Royal Botanic Gardens, Kew welcomes millions of visitors each year while continuing its role as a global center for botanical research and conservation. Its recognition as a UNESCO World Heritage Site reflects not only the beauty of its historic landscapes but also its enduring contribution to scientific discovery, education, and the preservation of the planet’s botanical heritage.

UNESCO Description of the World Heritage Site

This historic landscape garden features elements that illustrate significant periods of the art of gardens from the 18th to the 20th centuries. The gardens house botanic collections (conserved plants, living plants and documents) that have been considerably enriched through the centuries. Since their creation in 1759, the gardens have made a significant and uninterrupted contribution to the study of plant diversity and economic botany.

UNESCO Justification of the World Heritage Site

Criterion (ii): Since the 18th century, the Botanic Gardens of Kew have been closely associated with scientific and economic exchanges established throughout the world in the field of botany, and this is reflected in the richness of its collections. The landscape and architectural features of the Gardens reflect considerable artistic influences both with regard to the European continent and to more distant regions;

Criterion (iii): Kew Gardens have largely contributed to advances in many scientific disciplines, particularly botany and ecology;

Criterion (iv): The landscape gardens and the edifices created by celebrated artists such as Charles Bridgeman, William Kent, Lancelot 'Capability' Brown and William Chambers reflect the beginning of movements which were to have international influence;

Encyclopedia Record: Kew Gardens

Kew Gardens is a botanic garden in southwest London that houses the "largest and most diverse botanical and mycological collections in the world". Founded in 1759, from the exotic garden at Kew Park, its living collections include some of the 27,000 taxa curated by Royal Botanic Gardens, Kew, while the herbarium, one of the largest in the world, has over 8.5 million preserved plant and fungal specimens. The library contains more than 750,000 volumes, and the illustrations collection contains more than 175,000 prints and drawings of plants. It is one of London's top tourist attractions and is a World Heritage Site.

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